Pump Repair Models: 521, 522, 1021 & 1022 Discontinued models: 321, 322 142
Pump Repair Models: 521, 522, 1021 & 1022 Discontinued models: 321, 322 Ref. Part No. No. Part Name Qty 1 1465 Cam (321, 322) 1 1162-2 Cam (521, 522) 1 1201-2 Cam (1021, 1022) 1 2 2832 Case (321, 322, 521, 522) 1 2841 Case (1021, 1022) 1 3 (b) 1172-2.5 Flange – 2-1/2” NPT (321, 521) 1 1172-2 Flange – 2” NPT (322, 522) 2 1172-2 Flange – 2” NPT (321, 521) 1 (c) 1206-3 Flange – 3” BOT (1021, 1022) 2 4 2-234 O-Ring, Flange (321, 322, 521, 522) 2 2-245 O-Ring, Flange – 3” (1021, 1022) 2 2-249 O-Ring, Flange – 4” (1021, 1022) 2 5 2-112 O-Ring, Adjusting Screw 1 6 2590 Flush Seal Plug – 1/8” NPT 1 7 2252 Relief Valve Adjusting Screw 1 8 1174 Valve Cap (321, 322, 521, 522) 1 1207 Valve Cap (1021, 1022) 1 9 1242-X Relief Valve Spring and Guide 1 (321, 322, 521, 522) 1227 Relief Valve Spring and Guide 1 (1021, 1022) 10 2-224 O-Ring, Relief Valve Cap 1 (321, 322, 521, 522) 2-228 O-Ring, Relief Valve Cap (1021, 1022) 1 1226 Relief Valve Spring (1021, 1022) 1 12 1241 Relief Valve (321, 322, 521, 522) 1 1224 Relief Valve (1021, 1022) 1 13 1170 Cam Key (321, 322, 521, 522) 1 1309 Cam Key (1021, 1022) 1 14 1168-6 Blade – LPG (321, 322, 521, 522) 10 1168-7 Blade – NH3 (321, 322, 521, 522) 10 1309-8 Blade – LPG (1021, 1022) 10 1309-9 Blade – NH3 (1021, 1022) 10 15 1166-1X1R Rotor/Shaft Assy. W/2755 (321, 521) 1 1166-1X2R Rotor/Shaft Assy. W/2755 (322, 522) 1 1208-1X1R Rotor/Shaft Assy. W/2755 (1021) 1 1208-1X2R Rotor/Shaft Assy. W/2755 (1022) 1 16 1358 Grease Seal 2 17 1164-1 Bearing Cap 2 18 2158 Grease Zerk (1/8” NPT) 2 19 1769 Bearing Housing 2 20 1343 Relief Fitting (Seal Vent) 2 21 (a) 1769-X Seal Assembly 2 22 1163-2 Sideplate (321, 322, 521, 522) 2 1209-1 Sideplate (1021, 1022) 2 23 1161-4 Head (321, 322, 521, 522) 2 1205-4 Head (1021, 1022) 2 24 2754-X Roller Bearing – Complete 2 2755 Bearing Inner Race 2 2754 Bearing Outer Race 2 25 2760-244 Retainer Ring 2 Ref. Part No. No. Part Name Qty 26 1343 Relief Fitting (Grease) 2 27 2-128 O-Ring, Shaft 2 28 1822 Seat Adapter Plate 2 29 2-240 O-Ring, Adapter Plate 2 30 2-261 O-Ring, Case (321, 322, 521, 522) 2 2-268 O-Ring, Case (1021, 1022) 2 31 2270 1/4” Key 2 32 2949 Nameplate 1 33 3442 1/4” NPT Plug 1 34 7001-031 NC125A Bolt Hex Head 5/16-18 x 1-1/4 4 (500) 7001-037 NC125A Bolt Hex Head 3/8-16 x 1-1/4 4 (1000) 35 7001-037 NC125A Bolt Hex Head 3/8-16 x 1-1/4 28 (321, 322, 521, 522) 7001-037 NC125A Bolt Hex Head 3/8-16 x 1-14 32 (1021, 1022) 36 7001-037 NC150A Bolt Hex Head 3/8-16 x 1-1/2 8 37 -------- Retainer 2 (Not available separately) 38 -------- Seal Seat 2 (Not available separately) 39 2-227 O-Ring, Seal Seat 2 40 2159 Lubricap #2 2 41 1359 Lubricated Instruction Tag 2 42 7003-004 DR0198 Round HD Drive Screw 2 4 x 3/16” Plated Notes: (a) Two seal assemblies are available: 1769-X Complete Seal Assembly consisting of: Bearing Housing, Seat Adapter Plate, Bearings, Retainer Ring, Seal and O-Rings. 1769-XR Field Replacement Seal Assembly consisting of: Seal and O- Rings. (b) Optional: 1172-1.5 Flange – 1-1/2” NPT 1172-1.5S Flange – 1-1/2” Welded 1172-2S Flange – 2” Welded 1172-2.5 Flange – 2-1/2” NPT 1172-2.5S Flange – 2-1/2” Welded 1947-1.5 Flanged E11 – 1-1/2” NPT 2008 Flanged E11 – 2” NPT (c) Optional: 1206-3S Flange – 3” Welded 1206-4 Flange – 4” NPT 1206-4S Flange – 4” Welded 143